Yamaha R-N301 Owner's Manual page 38

Configuring playback settings for different playback sources (Option menu)
■ AutoPowerStdby
Sets the amount of time for the auto-standby function to
each input. If you do not operate the unit for the specified
time, the unit will automatically go into standby mode.
Off (Default) Does not set the unit to standby mode automatically.
For network sources
(Spotify, Server, Net Radio, AirPlay or
Pandora)
20 minutes,
Sets the unit to standby mode when you have not
2 hours,
operated the unit for the specified time while audio
4 hours,
contents are stopped/paused.
8 hours,
12 hours
For other music sources
When you have not operated the unit for the
specified time, the unit switches to standby mode.
y
Before the unit enters standby mode, "AutoPowerStdby" appears,
then a 30-second countdown starts in the front display.
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